Block-mold.



-1\I .796,139. 'y PATBNTBD AUG. 1, 1905. P. B. MILES. ,BLOCK MOLD.

v APPLICATION FILED AUG. 17. 1904. KENBWBD MY 31`y 1905.

v n 2 SHEETS-#SHEET l.

2.6 s li nl 1\Tfo."796,139. fv C l' L f yl. B. MILES. x

BLOCK MOLD.

APPLICATION FILED AUG. 17. 1904. RBNEWED MAY s1, 1905.

. 2 SHVBBTFSHEBIZ.

l PATENTEn-AG. 1,19o5.

UNITED STATES PATENT OFFICE.

.Application led August 17, 1904. Renewed Mayvl, 1905. I Serial No.263.157.

To all whom if; may concern:

Be it known that I, PERRY B. MILES, a citizen of the United States,residing at Jackson, in the county of Jackson and State of Michigan,have invented new and useful Improvements in Block-Molds, of which thefollowing various plates of the mold in position and for withdrawingsaid plates after the molding operation. T he construction is alsoadvantageous with respect to the placing and removal of the core.

The invention is illustrated in the accompanying drawings, in whichjFigure 1 is a perspective view,-parts being broken away, showing themold in position to be filled. Fig. 2 is a perspective view of the moldturned on its side and closed. Fig. 3 is a perspective view of the emptymold opened, showing the position -of the parts at the time of theremoval .of the block. Fig. 4 is an end view of the machine. Fig. 5 isadetail in elevation, showing the clips which hold the face or designplate in position. Fig. 6 is a detail in end elevation of one of theclips.

The mold forming the subject of' this invention is adapted in operationto be filled in one position, and after the block shall haveset to beturned on the side to permit the convenient withdrawal of the core fromthe block and the block from the mold, being in this respect similar tothe mold for which I have obtained Letters Patent N o. 738,830, datedSeptember'15, 1903. In addition-to v this function the present inventionincludes means lwhereby the side plates ofthe mold are in partautomatically Withdrawn from lcontact with the block when the mold isopened. The construction whereby this result is eected will be moreapparent from the following description.

Referring specifically to the drawings, 6 indicates the ends of themachine, which have at diagonally opposite corners feet 7, upon whichthe mold rests in its respective positions. At the intermediate cornersare rockers 8, upon which the mold may be turned to tilt the same, thisconstruction being'essentially similar to that described in my formerpatent, above mentioned.

Specification of Letters Patent.

Patented Aug. 1, 1905.

Tt fatiiitt'tte the tilting of the machine, it

brackets being effected by sockets on the ends, as at 10. These bracketsraise the device from the floor and allow it to swing easily to eitherposition. 11

The outer part orframe of the mold is formed ofthe ends 6, abovereferred to, side bars 11, bottom bars 12, )and a hinged side plate 13.The bars 11 and 12 extend between the ends of the frame, and the-side 13is pivoted at 14 at one corner of the end plates. Within the frame thusformed the movable or adjustable parts are supported. These comprise apallet or bottom part 15, a design or face plate 16, adjustable endplates V17, and a side plate 18, which is fixed to and carried by thehinged plate 13. The pallet '15 rests upon-and is su ported bythe bars 11.

The design-plate 16, W ich forms the face of the block, is supportedupon the bars A12 by means of clips 19, which are adjustable along thebars 12, according to the size of the block to be molded, or, whichamounts to the same thing, according to the size of the face-plate used.The details of these clips are shown in Figs. 5 and 6. Each consists ofan upper casting 19a anda lower casting-19h, connected by a screw 190,by means whereof the barsl 12 are clamped betweenV the ends of the piece19a and 19b and the clip positioned along the bars atany desired place.A keeper 19d, secured by slot-and-bolt connection 19e to the casting19a, may be manipulated to engage over the top of the plate 16 at theends thereof and holdthe same in place.

The bars 12'are connected by cross-pieces 12a at the ends thereof andare supported by hangers 20. Each hanger has two arms or branches whichterminate" in laterally-projecting lugs'21, which fit in any one of theseries of notches 22 in bars 23. These bars are pivotally connected atthe ends by links 24, forming flexible substantially rectangularframes.. One of the bars 23, being the one adjacent the side orbottomplate 11, is fastened to the end plates 6 by bolts, as indicatedat 23a. The remaining bars 23 and the links 24 are movable with respecttothe outer end frames 6, being capable of a limited sliding movementback and forth when' the mold is tilted on its side, this movement beingpermitted by the pivotal connection between the bars 23 and thelinks 24,as above stated.

The end plates 17 are adjustable to make longer or shorter blocksbetween the pallet 15 and the plate 18. The said end plates 17 areproperly curved to give the desired shape to the end of the blocks andare supported in position by means of brackets consisting of slottedbars 25, which are bolted at one end, as at 26, to fixtures on' the backof the end plate 17 ,v and are secured in position by thumb-screws 27,which extend through the slots and into the end plates 6.

One branch of each bar 23 has a cam projection or finger 28, whichextends through an opening 29 in the hinged side or plate 13, and theshape of this cam effects the automatic withdrawal of the design-plate16 from the face of the block when the side or plate 18 is lifted oropened. Handles 30 are attached to said plate to effect this action andalso to assist in tilting the mold. Hooks 31, which engage overprojections 32 at the ends of the plate 13, serve to hold the moldclosed.

The construction will be further understood from the followingdescription of the operation. When a block is to be cast, the mold isplaced in the position shown in Fig. 1, the face-plate 16 being at thebottom of the mold, the pallet 15 and plate 18 being at opposite sides,and the end plates 17 being therebetween. The facing material of theblock is then poured into the bottom of the mold. This, it may be said,enables the operator to use a richer mixture for the facing and acoarser and cheaper mixture for the rest of the block. After the facingis put in upon the face-plate 16 the core, such as indicated at 33, ifone be used, is then laid sidewise upon the material. It is perhapsneedless to say that the core used fits snugly between the pallet 15 andplate 18. Vhen the core is in place, the remainder of the cement isplaced in the mold. The mold is then tilted upon its side to theposition shown in Fig. 2, which brings the pallet 15 at the bottom andthe hinged side 13 at the top, as shown in Fig. 2. The hooks 31 are thendisengaged and the side 13 is opened, as indicated in Fig. 3. The shapeof the cams 28 is such that when the hinged side 13 is swung open, as inFig. 3, the contact of the cams against the ends of the openings 29 issuch as to slide the upper bars 23 rearwardly, as shown in Fig. 3, whichaction is permitted by the pivotal connection between said bars and thelinks 24. rlhe effect of this action is to swing the hangers 2Obackward, and with them the bars 12 and the face-plate 16 supportedthereon. This disengages the face-plate from the block, which issupported upon the pallet 15. The thumb-screws 27 are then loosened,permitting the withdrawal of the end plates 17. The core may then belifted out and the block taken from the machine on the pallet. Themachine may then be tilted back to original position, another palletsubstituted, and the operation repeated. When the cover or side 13closed. the Contact of the cams in the openings 29 automaticallyrestores the face-plate 16 to its original position by appropriatemovement of the upper bars 23.

As will be seen, the parts of the mold are adjustable to produce blocksol' various sizes. rlhe tilting action whereby the mold is laced downwhen the material is put in allows a, block to be made with a facing ofsuperior quality, as above described, and by turning the mold on itsside after it is illed the core may be removed vertically, even beforethe block is fully set` without danger of collapse of the block. Thelugs 2l of the hangers 2() may be htted in any one of the pairs ofnotches 22 in the bars 23, thereby varying the depth of the lnold. Bymeans of the slotted bars 25 and the tlmmb-serews 27 the, position ofthe end plates 17, and consequently the length of the block, may beIvaried as desired, and the clips l?) are adjustable along the bars l2,permitting a faceplate 16 of any desired length. to be used.

that l claim as new and desire to secure' l by Letters Patent, is.-

1. ln a mold, in combination, a frame, mold-sections supported therein,one of which is openable, slidable bars in the frame, supporting one ofsaid sections, and connections between the said openable section andslid able bars, constructed to operate the bars and the sectionsupported thereby.

2. lin a mold, in combination, an outer tiltable frame vhaving a hingedside, moldsections supported in the frame, including a side platecarried by said hinged side, and a face-plate, movable bars in theframe, hangers between the bars and the face-plate, and cams on thebars, engageable with the hinged side, to move the bars and hwe-plateaccording to the movement of the said side.

In a mold, the combination with an outer frame, and side and faceplates` supported therein, of end plates, and adjustable supporting-barsextending between the end plates and the frame.

'4. ln a mold, the combination with an outer frame, and side and endplates supported therein, of a face-plate, and clips between theface-plate and the frame, adjustable to hold plates of various sizes.

5. ln a mold, the combination with an outer frame, one side of which ishinged and openable, and side and end plates supported in the frame, oneof said side plates being carried by the openable side, of bars at theends of the frame, having a series of notches, hangers adjustable insaid notches, and a face-plate carried by said hangers.

6. ln a mold, in combination, an outer tiltable frame having a hingedopenable side, sliding bars at the ends of the frame, side and endplates supported in the frame, one of the side plates being carried bythe hinged side,

hangers supported on the sliding bars, arace-v being automatically movedby the Inoveplate carried byl the hangers, and cam conment of said side.

necton's between the openable side and the Intestimony whereof I have'sighed my sliding bars. naine to this specilication in the presence of7. In a mold, in combination, a tiltable tWo subscribing Witnesses.

frame having a hinged openable side, r'nov-1 PERRY B. MILES.

able mold-sections supported in said frame, Witnesses: f

one of said sections being carried by the W. A. COREY,

openable; side and another of said sections 'WILLIAM MILES.

